Recently, I had a lot of trouble with a password-protected presentation. The file was created in Microsoft PowerPoint & was password-locked. The file contained important Office data, so I didn't want to take any risks. After much searching, I tried the Softaken Freeware PowerPoint Password Remover Tool.
My experience was quite good
The installation process was easy
The interface was simple & user-friendly
The password was removed in just a few steps
The data remained completely safe
What I really liked was that it didn't require any technical skills. The process was completed on the local system without uploading the file online, which was a good security measure.
If you too have a password-locked PowerPoint file and want to avoid data loss, you might want to give this tool a try.